#21684D

#21684D

Color Values

HEX

#21684D

RGB

33, 104, 77

HSL

157.2, 51.8%, 26.9%

HSV

157.2, 68.3%, 40.8%

CMYK

68.3%, 0.0%, 26.0%, 59.2%

OKLCH

0.4654 0.0833 164.2

Properties

Cool Dark Nearest: RAL 6000 Patina Green

Color Harmonies

Complementary

#21684D

#68213C

Analogous

#21682A

#216068

#21684D

Triadic

#21684D

#4D2168

#684D21

Split Complementary

#21684D

#682160

#682A21

Tetradic

#21684D

#2A2168

#68213C

#606821

Color Blindness Simulation

Original

#21684D

Protanopia

#404054

Deuteranopia

#3C3655

Tritanopia

#25595A

Achromatopsia

#575757

CSS Usage

background-color: #21684D;
color: #21684D;
border-color: #21684D;
Nearest Tailwind: Emerald 800 #065F46

Tailwind Shades

50
#F4FBF8
100
#E5F5EF
200
#C9EEE0
300
#A2E2C9
400
#70D2AC
500
#3DC28F
600
#319B73
700
#277C5C
800
#1F6148
900
#1A4736
950
#102D22

Contrast Checker

Text on white

6.66:1

AA Pass AAA Fail

Text on black

3.15:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026